WO2022062865A1 - Procédé et appareil de communication de véhicule reposant sur un système etc, support, et dispositif électronique - Google Patents

Procédé et appareil de communication de véhicule reposant sur un système etc, support, et dispositif électronique Download PDF

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Publication number
WO2022062865A1
WO2022062865A1 PCT/CN2021/116083 CN2021116083W WO2022062865A1 WO 2022062865 A1 WO2022062865 A1 WO 2022062865A1 CN 2021116083 W CN2021116083 W CN 2021116083W WO 2022062865 A1 WO2022062865 A1 WO 2022062865A1
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WIPO (PCT)
Prior art keywords
vehicle
unit
roadside unit
vehicle communication
etc roadside
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PCT/CN2021/116083
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English (en)
Chinese (zh)
Inventor
雷艺学
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腾讯科技（深圳）有限公司
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Publication of WO2022062865A1 publication Critical patent/WO2022062865A1/fr
Priority to US17/971,492 priority Critical patent/US20230043268A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
    • G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q2240/00—Transportation facility access, e.g. fares, tolls or parking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]

Definitions

  • the present application relates to the field of computer and communication technologies, and in particular, to a vehicle communication method, apparatus, medium and electronic device based on an ETC system.
  • V2X vehicle to Everything, vehicle to the outside world
  • V2V vehicle-to-vehicle
  • V2I vehicle to Infrastructure
  • V2P vehicle to Pedestrian
  • V2N vehicle to Network
  • V2X communication is mainly C-V2X (Cellular-V2X, cellular-based V2X) communication, and the penetration rate of C-V2X is low, resulting in a low overall coverage of V2X communication.
  • C-V2X Cellular-V2X, cellular-based V2X
  • Embodiments of the present application provide a vehicle communication method, apparatus, medium and electronic device based on an ETC system.
  • a vehicle communication method based on an ETC system includes an ETC roadside unit and an ETC vehicle-mounted unit, and the vehicle communication method consists of the ETC roadside unit or the ETC
  • the ETC background system corresponding to the roadside unit is executed, and the vehicle communication method includes:
  • ETC roadside unit and the ETC vehicle-mounted unit After the ETC roadside unit and the ETC vehicle-mounted unit are connected, perform ETC charging processing on the vehicle through the ETC roadside unit;
  • the ETC roadside unit After the ETC roadside unit performs the ETC billing process, if the ETC vehicle-mounted unit is still within the communication range of the ETC roadside unit, vehicle communication is performed with the ETC vehicle-mounted unit through the ETC roadside unit message interaction.
  • a vehicle communication method based on an ETC system the ETC system comprising an ETC roadside unit and an ETC vehicle-mounted unit, the vehicle communication method is executed by a vehicle-road collaboration platform, and the vehicle communication method includes:
  • the target vehicle can receive the vehicle communication message transmitted by the designated ETC roadside unit when passing through the coverage area of the designated ETC roadside unit, send the message to the designated ETC roadside unit An interaction instruction, wherein the interaction instruction is used to instruct the designated ETC roadside unit to perform vehicle communication message interaction with the ETC vehicle-mounted unit on the target vehicle after performing ETC charging processing on the target vehicle.
  • a vehicle communication method based on an ETC system includes an ETC roadside unit and an ETC vehicle-mounted unit, the vehicle communication method is performed by a vehicle terminal, the vehicle terminal is installed with the ETC vehicle-mounted unit, and the vehicle communication method includes :
  • the ETC roadside unit After the ETC roadside unit performs the ETC charging process, if the ETC vehicle-mounted unit is still within the communication range of the ETC roadside unit, the vehicle communication message is exchanged with the ETC roadside unit.
  • a vehicle communication device based on an ETC system includes an ETC roadside unit and an ETC vehicle-mounted unit, and the vehicle communication device includes:
  • a first establishment unit configured to establish a connection with the ETC on-board unit through the ETC roadside unit when the ETC on-board unit of any vehicle is detected
  • a first processing unit configured to perform ETC charging processing on the vehicle through the ETC roadside unit after the ETC roadside unit and the ETC vehicle-mounted unit are connected;
  • the second processing unit is configured to, after the ETC roadside unit performs the ETC billing processing, if the ETC on-board unit is still within the communication range of the ETC roadside unit, communicate with the ETC roadside unit through the ETC roadside unit.
  • the ETC vehicle-mounted unit performs the interaction of vehicle communication messages.
  • a vehicle communication device based on an ETC system includes an ETC roadside unit and an ETC vehicle-mounted unit, and the vehicle communication device includes:
  • an acquisition unit configured to acquire performance data of the ETC system
  • the sending unit is configured to, when it is determined according to the performance data of the ETC system that the target vehicle can receive the vehicle communication message transmitted by the designated ETC roadside unit when passing through the coverage area of the designated ETC roadside unit, send the designated ETC roadside unit to the designated ETC roadside unit.
  • the ETC roadside unit sends an interaction instruction, wherein the interaction instruction is used to instruct the designated ETC roadside unit to perform vehicle communication with the ETC on-board unit on the target vehicle after performing ETC charging processing on the target vehicle message interaction.
  • a vehicle communication device based on an ETC system includes an ETC roadside unit and an ETC vehicle-mounted unit, and the vehicle communication device includes:
  • the second establishment unit is configured to establish a connection with the ETC roadside unit through the ETC on-board unit when the request message sent by the ETC roadside unit is detected, and the ETC roadside unit is used for connecting the ETC on-board unit with the ETC roadside unit. After the ETC roadside unit establishes the connection, perform ETC charging processing on the vehicle terminal installed with the ETC vehicle-mounted unit;
  • the third processing unit is configured to, after the ETC roadside unit performs the ETC billing processing, if the ETC on-board unit is still within the communication range of the ETC roadside unit, perform vehicle processing with the ETC roadside unit. Interaction of communication messages.
  • An electronic device comprising a memory and one or more processors, the memory storing computer-readable instructions that, when executed by the one or more processors, cause the one or more processors
  • the processor executes the steps of the above-mentioned vehicle communication method based on the ETC system.
  • One or more non-volatile computer-readable storage media having computer-readable instructions stored thereon that, when executed by one or more processors, cause the one The steps of the above-mentioned ETC system-based vehicle communication method are executed by the processor or processors.
  • a computer program product or computer program comprising computer readable instructions stored in a computer readable storage medium from which a processor of a computer device readable storage The medium reads the computer-readable instructions, and the processor executes the computer-readable instructions, so that the computer device performs the steps of the above-mentioned ETC system-based vehicle communication method.
  • FIG. 1 shows a schematic diagram of an exemplary system architecture to which the technical solutions of the embodiments of the present application can be applied;
  • FIG. 2 shows a flowchart of a vehicle communication method based on an ETC system according to an embodiment of the present application
  • FIG. 3 shows a flowchart of a vehicle communication method based on an ETC system according to an embodiment of the present application
  • FIG. 4 shows a flowchart of a vehicle communication method based on an ETC system according to an embodiment of the present application
  • FIG. 5 shows a schematic diagram of the communication range of a single-channel side unit according to an embodiment of the present application
  • FIG. 6 shows a schematic diagram of a communication range of a multi-channel side unit according to an embodiment of the present application
  • FIG. 7 shows a flowchart of a vehicle communication method based on an ETC system according to an embodiment of the present application
  • FIG. 8 shows a block diagram of a vehicle communication device based on an ETC system according to an embodiment of the present application
  • FIG. 9 shows a block diagram of a vehicle communication device based on an ETC system according to an embodiment of the present application.
  • FIG. 10 shows a block diagram of a vehicle communication device based on an ETC system according to an embodiment of the present application
  • FIG. 11 shows a schematic structural diagram of a computer system suitable for implementing the electronic device according to the embodiment of the present application.
  • C-V2X refers to Cellular, that is, cellular, C-V2X is based on the second generation (2nd generation, 2G) / third generation (3rd generation, 3G) / fourth generation (4th generation, 4G) / th
  • the wireless communication technology for vehicles formed by the evolution of cellular network communication technologies such as the 5th generation (5G) includes two communication interfaces: one is a short-distance direct communication interface between vehicles, people and roads (ie PC5 interface), The other is the communication interface (ie the Uu interface) between the terminal (including the vehicle terminal and the pedestrian terminal) and the base station.
  • PC5 interface communication is based on the proximity communication service between devices (Device-To-Device, D2D).
  • the dedicated frequency band for the Internet of Vehicles is used to realize direct communication between vehicles, vehicles, roads and people.
  • the delay is low and supports
  • the mobile speed is relatively high, but good resource allocation and congestion control algorithms are required.
  • adjacent devices can communicate directly.
  • Uu interface communication is the interface between the user equipment and the base station. It adopts the cellular network frequency band and transmits the information to another node through the V2X server relay, which can realize long-distance and wider-range reliable communication.
  • C-V2X technology that realizes V2X message transmission through PC5 interface or Uu interface communication also supports different levels of autonomous driving of intelligent vehicles (intelligence through network connection and intelligent through the vehicle's own radar and camera).
  • C-V2X and mobile communication networks (mainly 3G, 4G, 5G, etc.) provide various information services for moving vehicles, including safety reminders (such as collision warning), efficiency reminders (such as congestion reminders), and information Entertainment reminders, etc.
  • safety reminders and efficiency reminders especially safety reminders, require the communication network to provide reliable reminders and information assistance.
  • the ETC system is one of the service functions of the intelligent transportation system, and it is especially suitable for use in highways or bridges and tunnels with heavy traffic.
  • This charging system takes less than two seconds to charge each vehicle.
  • the coverage rate of V2X communication will be greatly increased, that is After charging through the ETC system, the transmission of vehicle communication messages can be realized through the communication between the ETC Road Side Unit (RSU) and the ETC On Board Unit (OBU).
  • RSU Road Side Unit
  • OBU ETC On Board Unit
  • an exemplary system architecture of the present application may include a vehicle terminal 101, a base station 102, a vehicle-road system cloud platform (also referred to as a vehicle-road collaboration cloud platform, a vehicle-road collaboration platform) 103, an edge Cloud platform 104 and ETC roadside unit 105 .
  • the ETC roadside unit 105 can monitor, collect, and report data in the ETC system to the edge cloud platform 104 for analysis, and of course, it can also be analyzed on the ETC roadside device management platform.
  • the vehicle terminal 101 can communicate with the base station 102 through the Uu interface to obtain the V2X message sent by the vehicle road system cloud platform 103 through the core network. This method has the characteristics of high network coverage and high mobility.
  • the vehicle terminal 101 is mounted with an ETC vehicle-mounted unit.
  • the vehicle terminal 101 can also obtain the vehicle-road coordination message through the RSU based on LTE-V (Long Term Evolution-Vehicle) (it may be NR-V (New Radio-Vehicle) in the future).
  • LTE-V Long Term Evolution-Vehicle
  • NR-V New Radio-Vehicle
  • This LTE-V RSU is only deployed on the roadside and does not cover all road sections, but this method can support the transmission of V2V messages and V2I messages on the ITS (Intelligent Traffic System) frequency band.
  • the vehicle-road coordination V2X message can be transmitted through the DSRC (Dedicated Short Range Communication, dedicated short-range communication technology) communication mechanism between the ETC RSU and the ETC OBU. Since ETC is not deployed on the entire road segment when used for tolling purposes, the expected coverage of this communication method may be smaller than that of LTE-V RSU. However, if vehicle-road collaboration based on ETC becomes a more popular technology, the deployment scope of ETC RSU can be expanded, such as deploying ETC RSU in accident-prone sections.
  • DSRC Dedicated Short Range Communication, dedicated short-range communication technology
  • the vehicle-road system cloud platform 103 and the edge cloud platform 104 may be servers.
  • the server can be implemented by an independent server, a server cluster composed of multiple servers, or a cloud server.
  • the ETC RSU 105 may be a terminal.
  • the technical solutions of the embodiments of the present application are mainly to use the remaining communication resources to perform V2X message transmission of vehicle-road coordination and automatic driving while the ETC system completes the charging function.
  • the ETC billing process is performed on the ETC roadside unit, if the ETC vehicle-mounted unit is still within the communication range of the ETC roadside unit, the vehicle communication messages are exchanged between the ETC roadside unit and the ETC vehicle-mounted unit.
  • the ETC system can be used to improve the overall coverage of V2X communication, thereby enabling reliable V2X reminders and information assistance.
  • FIG. 2 shows a flowchart of a vehicle communication method based on an ETC system according to an embodiment of the present application.
  • the vehicle communication method based on an ETC system may be performed by an ETC roadside unit, or may also be connected to multiple ETC roadside units.
  • the ETC background system of the side unit is executed.
  • the vehicle communication method of the ETC system includes at least steps S210 to S230, and the details are as follows:
  • step S210 if the ETC on-board unit of any vehicle is detected, a connection is established with the ETC on-board unit through the ETC roadside unit.
  • the ETC roadside unit can be triggered to detect the ETC on-board unit, and the set distance is greater than or equal to the ETC roadside unit. Communication radius of the side unit.
  • a detector such as a loop detector
  • the ETC roadside unit can be triggered to detect the ETC vehicle-mounted unit.
  • whether the distance between the vehicle and the ETC roadside unit is the set distance can also be determined by the positioning position of the vehicle.
  • the vehicle can send the positioning position to the network side, or the network side can actively determine the positioning position of the vehicle, and then transmit the positioning position to the ETC background system, and then the ETC background system can determine whether to trigger the ETC roadside unit to perform the ETC vehicle-mounted unit. detection.
  • a detector may be set at a position (ie, at the trigger point) away from the L1 of the ETC roadside unit, and when the vehicle passes this position, the detector is triggered, At this time, the ETC roadside unit can be triggered to detect the ETC vehicle-mounted unit.
  • L1 is greater than or equal to the communication radius D/2 of the ETC RSU, thereby ensuring that the ETC RSU can detect the ETC on-board unit when the vehicle enters the coverage of the ETC RSU.
  • step S220 after the connection between the ETC roadside unit and the ETC vehicle-mounted unit is established, the ETC charging process is performed on the vehicle through the ETC roadside unit.
  • the ETC roadside unit can obtain the identification information of the ETC vehicle-mounted unit, and then can interact with the ETC charging platform based on the identification information to perform calculation. fee processing.
  • step S230 after the ETC roadside unit performs ETC billing processing, if the ETC vehicle-mounted unit is still within the communication range of the ETC roadside unit, the ETC roadside unit and the ETC vehicle-mounted unit exchange vehicle communication messages.
  • the interaction of vehicle communication messages between the ETC roadside unit and the ETC onboard unit is a V2X communication process between the ETC roadside unit and the ETC onboard unit, for example, the ETC roadside unit and the ETC onboard unit
  • safety reminders such as collision warning
  • efficiency reminders such as congestion reminders
  • infotainment reminders such as map updates, route planning
  • the ETC roadside unit needs to perform ETC billing processing on the vehicle within the effective communication range of the ETC roadside unit, and the ETC roadside unit needs to communicate with the ETC vehicle within the effective communication range of the ETC roadside unit.
  • Units interact with vehicle communication messages; the diameter of this effective communication range is smaller than the communication diameter of the ETC roadside unit.
  • the ETC roadside unit can directly interact with the ETC on-board unit for vehicle communication messages. ; If the connection between the ETC roadside unit and the ETC on-board unit is disconnected, but the ETC on-board unit is still within the communication range of the ETC roadside unit, the relationship between the ETC on-board unit and the ETC roadside unit can be re-established within the communication range. Then the ETC roadside unit can interact with the ETC on-board unit for vehicle communication messages.
  • the diameter of the effective communication range of the ETC roadside unit is L2
  • the communication diameter of the ETC roadside unit is D
  • L2 ⁇ D the effective communication range of the ETC roadside unit
  • the duration of ETC charging processing performed by the ETC roadside unit on the vehicle is t1
  • the duration of the interaction of the vehicle communication message between the ETC roadside unit and the ETC on-board unit is t2
  • the sum of t1 and t2 Less than the period of time that the vehicle passes through the effective communication range of the ETC roadside unit.
  • the ETC roadside unit since the ETC roadside unit needs to identify the vehicle-mounted unit, establish a connection, and communicate with the ETC background system when performing ETC charging processing on the vehicle, the number of round-trip signaling hops is higher than that of vehicle-road coordination.
  • the message is large; and the transmission of the vehicle communication message is based on a reliable connection established when charging is performed, so t2 can be smaller than t1.
  • the interaction time for vehicle communication messages may also be relatively long, that is, there may be The case of t2>t1.
  • ETC charging processing may be performed on the vehicle through some of the multiple ETC roadside units, and in the calculation After the fee processing, the vehicle communication messages are exchanged with the ETC vehicle-mounted units within the effective communication range of the multiple ETC roadside units.
  • the vehicle communication messages are exchanged with the ETC vehicle-mounted units within the effective communication range of the multiple ETC roadside units.
  • the vehicle communication message interaction with another ETC roadside unit can also be performed without the need to perform ETC charging processing again.
  • the communication ranges 601 and 602 of two ETC RSUs overlap.
  • charging processing can be performed within the communication range of the two ETC RSUs.
  • the interaction of vehicle communication messages in this case, the effective communication range of the two ETC roadside units as a whole can be as shown in L3 in Figure 6, that is, from the starting point of the effective communication range of the previous ETC roadside unit to the back Between the ends of the effective communication range of an ETC RSU.
  • the ETC roadside unit and the ETC vehicle-mounted unit may interact with the vehicle communication message in the order of the priority of the vehicle communication message within the predicted time period.
  • the technical solution of this embodiment makes it possible to preferentially guarantee the transmission of high-priority vehicle communication messages.
  • the performance data of the ETC system can also be counted, and then a decision is made according to the performance data of the ETC system whether to perform vehicle communication message interaction with the vehicle through the ETC system.
  • the statistical performance data of the ETC system can be sent to the vehicle-road collaboration platform, so that the vehicle-road collaboration platform can decide whether to exchange vehicle communication messages with the vehicle through the ETC system according to the performance data of the ETC system.
  • the vehicle-road collaboration system can receive the information when it is determined according to the performance data that the target vehicle passes through the coverage of the designated ETC roadside unit.
  • an interactive instruction can be sent to the designated ETC roadside unit, and then the designated ETC roadside unit can communicate with the target vehicle passing through the designated ETC roadside unit based on the interactive instruction.
  • the ETC vehicle-mounted unit installed on the vehicle performs the interaction of vehicle communication messages.
  • the performance data of the ETC system may include at least one of the following data: historical throughput data of the ETC system, resource data that the ETC system can use for vehicle communication, and ETC roadside in the ETC system
  • the number of vehicles supported by the unit the coverage of the ETC roadside unit in the ETC system, the time delay data from when the detector in the ETC system is triggered to when the ETC roadside unit detects the ETC on-board unit, and the ETC roadside unit in the ETC system.
  • the delay data of the ETC on-board unit establishing the connection, and the delay data of the vehicle communication message transmission between the ETC roadside unit and the ETC on-board unit in the ETC system.
  • the historical throughput data of the ETC system includes chargeable throughput and spare resources, and the historical throughput data of the ETC system can be used to determine the resources of a certain ETC roadside unit other than the charging purpose, That is, in addition to charging, how many resources can be used for other applications, such as vehicle-road coordination.
  • the resources here include time resources and, of course, bandwidth resources and the like.
  • the number of vehicles that the ETC RSU can support is not large, and is also limited by the communication range. In different deployment scenarios, the number of vehicles covered by the ETC RSU is different.
  • the ETC roadside unit generally cannot actively detect the ETC on-board unit, but only initiates an inquiry for the identification information of the on-board unit and establishes a connection after being triggered by the loop detector. Therefore, the installation position of the loop detector and the antenna power and directivity configuration of the ETC RSU will affect the number of vehicles in the vehicle-road coordination system supported by the final ETC RSU.
  • the time delay data in the ETC system for example, when the detector in the ETC system is triggered to the ETC roadside unit to detect the time delay data of the ETC on-board unit, the ETC roadside unit in the ETC system and the ETC
  • the delay data of the on-board unit establishing the connection, the delay data of the vehicle communication message transmission between the ETC roadside unit and the ETC on-board unit in the ETC system, etc. can be used to determine whether the vehicle needs to obtain vehicle-road coordination from 5G or C-V2X. And autonomous driving V2X news.
  • the vehicle may not be able to obtain effective message reminders during the ETC charging process, so the vehicle should keep obtaining vehicle-road coordination and autonomous driving information from 5G or C-V2X during the entire passing process.
  • FIG. 2 is an elaboration from the perspective of an ETC roadside unit or an ETC background system.
  • the following describes the vehicle communication method based on the ETC system according to the embodiment of the present application from the perspective of a vehicle-road collaboration platform in conjunction with FIG. 3 :
  • FIG. 3 shows a flowchart of a vehicle communication method based on an ETC system according to an embodiment of the present application, and the vehicle communication method based on the ETC system may be executed by a vehicle-road collaboration platform.
  • the vehicle communication method of the ETC system at least includes steps S310 to S320, and the details are as follows:
  • step S310 the performance data of the ETC system is acquired.
  • the performance data of the ETC system may be monitored by the ETC roadside unit and transmitted to the vehicle-road collaborative platform, or may be monitored by the ETC roadside unit and transmitted to the ETC background system, and then monitored by the ETC roadside unit and transmitted to the ETC background system.
  • the ETC background system is transmitted to the vehicle-road collaboration platform.
  • step S320 if it is determined according to the performance data of the ETC system that the target vehicle can receive the vehicle communication message transmitted by the designated ETC roadside unit when passing through the coverage area of the designated ETC roadside unit, send the interaction to the designated ETC roadside unit instruction.
  • the interaction instruction in step S320 is used to instruct the designated ETC roadside unit to perform vehicle communication message interaction with the ETC on-board unit on the target vehicle after performing ETC charging processing on the target vehicle.
  • the target vehicle passes through the coverage of the designated ETC roadside unit, in addition to the ETC charging process, there are still remaining communication resources (the communication resources may be time resources, etc.), For example, after the ETC billing process is performed, the ETC on-board unit of the target vehicle is still within the communication range of the designated ETC roadside unit. Vehicle communication messages transmitted to designated ETC RSUs.
  • the mobile communication way to interact with the target vehicle for vehicle communication messages if it is determined according to the performance data of the ETC system that the target vehicle cannot receive the vehicle communication message transmitted by the designated ETC roadside unit when passing through the coverage area of the designated ETC roadside unit, the mobile communication way to interact with the target vehicle for vehicle communication messages.
  • the mobile communication mode may include 4G communication mode, 5G communication mode, etc.
  • the interaction of vehicle communication messages may also be performed through C-V2X communication mode.
  • FIG. 3 is an elaboration from the perspective of a vehicle-road collaboration platform.
  • the following describes the vehicle communication method based on the ETC system according to the embodiment of the present application from the perspective of a vehicle terminal in conjunction with FIG. 4 :
  • FIG. 4 shows a flowchart of a vehicle communication method based on an ETC system according to an embodiment of the present application, and the vehicle communication method based on the ETC system may be executed by a vehicle terminal.
  • the vehicle communication method of the ETC system includes at least steps S410 to S430, and the details are as follows:
  • step S410 if the request message sent by the ETC roadside unit is detected, a connection is established with the ETC roadside unit through the ETC vehicle-mounted unit, and the ETC roadside unit is used to establish a connection between the ETC vehicle-mounted unit and the ETC roadside unit.
  • the vehicle terminal installed with the ETC on-board unit performs ETC billing processing.
  • the ETC roadside unit when detecting the ETC on-board unit installed on the vehicle terminal, the ETC roadside unit may send a request message to the detected ETC on-board unit, where the request message is used to obtain the identification information of the ETC on-board unit .
  • the request message is used to obtain the identification information of the ETC on-board unit .
  • the ETC roadside unit can obtain the identification information of the ETC vehicle-mounted unit, and then can interact with the ETC charging platform based on the identification information to perform calculation. fee processing.
  • step S420 after the ETC roadside unit performs the ETC billing process, if the ETC vehicle-mounted unit is still within the communication range of the ETC roadside unit, the vehicle communication message is exchanged with the ETC roadside unit.
  • the interaction process of the vehicle communication message between the ETC roadside unit and the ETC on-board unit may be that the ETC roadside unit sends a V2X message to the ETC on-board unit, or the ETC on-board unit sends a V2X message to the ETC on-board unit.
  • the side unit sends V2X messages.
  • the ETC system-based vehicle communication method has been described above from the perspectives of the ETC roadside unit (or ETC background system), the vehicle-road collaboration platform, and the vehicle terminal. The following is an interaction from these multiple entities with reference to FIG. 7 .
  • the technical solutions of the embodiments of the present application are further described from the perspective of:
  • the vehicle communication method based on the ETC system includes the following steps:
  • Step S701 pre-configure the security authentication information between the ETC charging backend and the ETC roadside unit, preconfigure the ETC vehicle-road collaboration related information between the ETC roadside unit and the roadside processing platform, and the vehicle-road collaboration cloud platform and the roadside processing platform.
  • the edge collaboration information related to the vehicle-road collaboration is pre-configured between the ETC roadside units and the vehicle-road collaboration cloud platform.
  • the ETC vehicle-road collaboration related information is pre-configured.
  • the roadside processing platform shown in FIG. 7 may be the edge cloud platform 104 shown in FIG. 1 .
  • the pre-configured safety authentication information between the ETC charging backend and the ETC roadside unit may include some or all of the following: vehicle ID, vehicle owner ID, charging-related information (such as price, valid time, valid time period, etc.), key-related information, digital certificates, etc.
  • the pre-configured ETC vehicle-road coordination related information between the ETC roadside unit and the roadside processing platform may include some or all of the following: What V2X information can the ETC roadside unit send to the vehicle , Which ETC RSUs can be used to send V2X information, which vehicles ETC RSUs can serve, etc.
  • the pre-configured edge collaboration information related to vehicle-road collaboration between the vehicle-road collaboration cloud platform and the roadside processing platform may include some or all of the following:
  • the ETC roadside unit may send the vehicle to the vehicle. What V2X information, what V2X information the ETC roadside unit can send to the vehicle, which vehicles the ETC roadside unit can serve, etc.
  • the pre-configured ETC vehicle-road collaboration related information between the ETC roadside unit and the vehicle-road collaboration cloud platform may include some or all of the following: V2X information, from which ETC roadside units the vehicle can obtain V2X information, etc.
  • Step S702 after detecting a certain ETC vehicle-mounted unit, the ETC roadside unit sends an identification request message to the ETC vehicle-mounted unit, and after receiving the identification request message, the ETC vehicle-mounted unit sends an identification response and a connection establishment message to the ETC roadside unit.
  • the ETC roadside unit After the ETC roadside unit receives the information sent by the ETC vehicle-mounted unit and establishes a connection, the ETC roadside unit interacts with the ETC charging background to process the charging information.
  • the ETC roadside unit may send charging result information to the ETC vehicle-mounted unit.
  • Step S703 after the ETC roadside unit completes the charging process, if time permits, the transmission of the vehicle-road coordination message can be performed between the ETC roadside unit and the ETC on-board unit; if the time available for vehicle-road coordination is shorter, Then high-priority V2X messages can be sent first.
  • the ETC roadside unit may send the information of the end of the vehicle-road coordination message to the ETC vehicle-mounted unit. Then the ETC roadside unit can provide toll collection and vehicle-road coordination message transmission services for the next vehicle.
  • the technical solutions of the above embodiments of the present application can implement V2X communication based on the ETC system. Since the ETC system has a high penetration rate, the ETC system can be used to improve the overall coverage of V2X communication, thereby enabling reliable V2X reminders and information assistance .
  • the following describes the device embodiments of the present application, which can be used to execute the vehicle communication method based on the ETC system in the above-mentioned embodiments of the present application.
  • the device embodiments of the present application please refer to the above-mentioned embodiments of the vehicle communication method based on the ETC system in the present application.
  • FIG. 8 shows a block diagram of a vehicle communication device based on an ETC system according to an embodiment of the present application.
  • the vehicle communication device based on the ETC system may be provided in an ETC roadside unit, or may also be provided in an ETC system connected to a plurality of ETCs. In the ETC background system of the roadside unit.
  • a vehicle communication device 800 based on an ETC system includes: a first establishing unit 802 , a first processing unit 804 and a second processing unit 806 .
  • the first establishment unit 802 is configured to establish a connection with the ETC on-board unit through the ETC roadside unit when detecting the ETC on-board unit of any vehicle; the first processing unit 804 is configured to connect the ETC roadside unit with the ETC on-board unit. After the ETC on-board unit establishes the connection, the ETC charging process is performed on the vehicle through the ETC roadside unit; the second processing unit 806 is configured to perform ETC charging processing on the ETC roadside unit, if the The ETC vehicle-mounted unit is still within the communication range of the ETC roadside unit, and the vehicle communication message is exchanged with the ETC vehicle-mounted unit through the ETC roadside unit.
  • the second processing unit 806 is further configured to: estimate the time for the ETC roadside unit to perform ETC charging processing on the next vehicle, so as to determine the ETC roadside unit The time duration that the ETC vehicle-mounted unit can be used to interact with the vehicle communication message; within the duration, the vehicle communication message interaction is performed through the ETC roadside unit and the ETC vehicle-mounted unit.
  • the second processing unit 806 is configured to: within the time period, according to the priority of the vehicle communication message from high to low, through the ETC roadside unit and all The ETC vehicle-mounted unit performs the interaction of vehicle communication messages.
  • the ETC system-based vehicle communication device 800 further includes: a triggering unit configured to, before detecting the ETC on-board unit of any vehicle, if it is detected that the vehicle and the If the distance between the ETC roadside units is a set distance, the ETC roadside unit is triggered to detect the ETC on-board unit, and the set distance is greater than or equal to the communication radius of the ETC roadside unit.
  • a triggering unit configured to, before detecting the ETC on-board unit of any vehicle, if it is detected that the vehicle and the If the distance between the ETC roadside units is a set distance, the ETC roadside unit is triggered to detect the ETC on-board unit, and the set distance is greater than or equal to the communication radius of the ETC roadside unit.
  • the triggering unit is configured to: when detecting that a detector disposed at a set distance from the ETC roadside unit is triggered, determine that a vehicle is detected to be in contact with the ETC roadside unit.
  • the distance between ETC roadside units is the set distance.
  • the trigger unit is configured to: determine whether the distance between the vehicle and the ETC roadside unit is the set distance according to the positioning position of the vehicle.
  • the first processing unit 804 is configured to: within the effective communication range of the ETC roadside unit, perform ETC charging processing on the vehicle through the ETC roadside unit
  • the second processing unit 806 is configured to: within the effective communication range of the ETC roadside unit, carry out the interaction of vehicle communication messages with the ETC vehicle-mounted unit through the ETC roadside unit; wherein, the effective communication range of The diameter is smaller than the communication diameter of the ETC roadside unit.
  • the duration of ETC charging processing performed by the ETC roadside unit on the vehicle, and the interaction of vehicle communication messages between the ETC roadside unit and the ETC on-board unit The sum of the durations is less than the duration of the vehicle passing through the effective communication range of the ETC roadside unit.
  • the second processing unit is configured to: if the communication ranges of at least two ETC roadside units overlap, pass at least one ETC of the at least two ETC roadside units After the roadside unit performs ETC charging processing on the vehicle, the vehicle communication message is exchanged with the ETC on-board unit within the effective communication range of the at least two ETC roadside units.
  • the second processing unit 806 is further configured to: collect statistics on the performance data of the ETC system, and decide whether to conduct vehicle communication with the vehicle through the ETC system according to the performance data of the ETC system Interaction of communication messages.
  • the second processing unit 806 is further configured to: collect statistics on the performance data of the ETC system, and send the performance data of the ETC system to the vehicle-road coordination platform, so that the According to the performance data of the ETC system, the vehicle-road coordination platform decides whether to perform vehicle communication message interaction with the vehicle through the ETC system.
  • the performance data includes at least one of the following data: historical throughput data of the ETC system, resource data that the ETC system can use for vehicle communication, The number of vehicles supported by the ETC roadside unit in the ETC system, the coverage of the ETC roadside unit in the ETC system, and the time from when the detector in the ETC system is triggered to when the ETC roadside unit detects the ETC on-board unit.
  • Time delay data time delay data of establishing connection between ETC roadside unit and ETC vehicle unit in the ETC system, delay data of vehicle communication message transmission between ETC roadside unit and ETC vehicle unit in the ETC system.
  • the second processing unit 806 when the performance data of the ETC system is sent to the vehicle-road collaboration platform, the second processing unit 806 is further configured to: receive the ETC roadside unit through a designated The interaction instruction sent by the vehicle-road coordination platform; based on the interaction instruction, the vehicle communication message is exchanged with the ETC vehicle-mounted unit installed on the target vehicle passing through the designated ETC roadside unit, and the interaction instruction is the vehicle-road coordination platform. It is pushed when it is determined according to the performance data of the ETC system that the target vehicle can receive the vehicle communication message sent by the designated ETC roadside unit when passing through the coverage area of the designated ETC roadside unit.
  • FIG. 9 shows a block diagram of a vehicle communication device based on an ETC system according to an embodiment of the present application, and the vehicle communication device based on the ETC system may be set in a vehicle-road collaboration platform.
  • a vehicle communication device 900 based on an ETC system includes an acquiring unit 902 and a sending unit 904 .
  • the acquiring unit 902 is configured to acquire performance data of the ETC system; the sending unit 904 is configured to be able to receive the specified ETC when it is determined according to the performance data of the ETC system that the target vehicle passes through the coverage area of the specified ETC roadside unit
  • an interactive instruction is sent to the designated ETC roadside unit, wherein the interactive instruction is used to instruct the designated ETC roadside unit to perform ETC charging processing on the target vehicle. , and interact with the ETC vehicle-mounted unit on the target vehicle for vehicle communication messages.
  • the ETC system-based vehicle communication device 900 further includes: a communication unit, configured to determine, according to performance data of the ETC system, that the target vehicle is passing through the ETC system.
  • a communication unit configured to determine, according to performance data of the ETC system, that the target vehicle is passing through the ETC system.
  • FIG. 10 shows a block diagram of a vehicle communication device based on an ETC system according to an embodiment of the present application, and the vehicle communication device based on the ETC system may be provided in a vehicle terminal.
  • a vehicle communication device 1000 based on an ETC system includes: a second establishing unit 1002 and a third processing unit 1004 .
  • the second establishment unit 1002 is configured to establish a connection with the ETC roadside unit through the ETC on-board unit after detecting the request message sent by the ETC on-board unit, and the ETC on-board unit is used for the ETC on-board unit.
  • the third processing unit 1004 is configured to perform ETC charging processing on the ETC roadside unit, if the The ETC vehicle-mounted unit is still within the communication range of the ETC roadside unit, and then exchanges vehicle communication messages with the ETC roadside unit.
  • FIG. 11 shows a schematic structural diagram of a computer system suitable for implementing the electronic device according to the embodiment of the present application.
  • the computer system 1100 includes a central processing unit (Central Processing Unit, CPU) 1101, which can be stored in a read-only memory (Read-Only Memory, ROM) 1102 according to computer-readable instructions or from a storage portion 1108
  • Computer readable instructions loaded into random access memory (RAM) 1103 perform various appropriate actions and processes, such as performing the methods described in the above embodiments.
  • RAM 1103 various computer-readable instructions and data required for system operation are also stored.
  • the CPU 1101, the ROM 1102, and the RAM 1103 are connected to each other through a bus 1104.
  • An Input/Output (I/O) interface 1105 is also connected to the bus 1104 .
  • I/O Input/Output
  • the following components are connected to the I/O interface 1105: an input section 1106 including a keyboard, a mouse, etc.; an output section 1107 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc. ; a storage part 1108 including a hard disk and the like; and a communication part 1109 including a network interface card such as a LAN (Local Area Network) card, a modem, and the like.
  • the communication section 1109 performs communication processing via a network such as the Internet.
  • Drivers 1110 are also connected to I/O interface 1105 as needed.
  • Removable media 1111 such as magnetic disks, optical disks, magneto-optical disks, semiconductor memories, etc., are mounted on the drive 1110 as needed so that computer-readable instructions read therefrom are mounted into the storage section 1108 as needed.
  • embodiments of the present application include a computer program product comprising computer-readable instructions carried on a computer-readable medium, the computer-readable instructions comprising computer-readable instructions for performing the method illustrated in the flowchart.
  • the computer readable instructions may be downloaded and installed from the network via the communication portion 1109 and/or installed from the removable media 1111.
  • CPU central processing unit
  • the computer-readable medium shown in the embodiments of the present application may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the above two.
  • the computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus or device, or a combination of any of the above.
  • Computer readable storage media may include, but are not limited to, electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read only memory (ROM), erasable Erasable Programmable Read Only Memory (EPROM), flash memory, optical fiber, portable Compact Disc Read-Only Memory (CD-ROM), optical storage device, magnetic storage device, or any suitable of the above The combination.
  • a computer-readable storage medium can be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
  • a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, carrying computer-readable computer-readable instructions thereon.
  • Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • a computer-readable signal medium can also be any computer-readable medium other than a computer-readable storage medium that can transmit, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device .
  • Computer readable instructions embodied on a computer readable medium may be transmitted using any suitable medium, including but not limited to wireless, wired, etc., or any suitable combination of the foregoing.
  • each block in the flowchart or block diagram may represent a module, program segment, or part of code, and the above-mentioned module, program segment, or part of code contains one or more executables for realizing the specified logical function instruction.
  • the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved.
  • the units involved in the embodiments of the present application may be implemented in software or hardware, and the described units may also be provided in a processor. Among them, the names of these units do not constitute a limitation on the unit itself under certain circumstances.
  • the present application also provides a computer-readable medium.
  • the computer-readable medium may be included in the electronic device described in the above embodiments; it may also exist alone without being assembled into the electronic device. middle.
  • the aforementioned computer-readable medium carries computer-readable instructions, and when the aforementioned computer-readable instructions are executed by an electronic device, the electronic device enables the electronic device to implement the methods described in the foregoing embodiments.
  • the exemplary embodiments described herein may be implemented by software, or may be implemented by software combined with necessary hardware. Therefore, the technical solutions according to the embodiments of the present application may be embodied in the form of software products, and the software products may be stored in a non-volatile storage medium (which may be CD-ROM, U disk, mobile hard disk, etc.) or on the network , which includes several instructions to cause a computing device (which may be a personal computer, a server, a touch terminal, or a network device, etc.) to execute the method according to the embodiments of the present application.
  • a computing device which may be a personal computer, a server, a touch terminal, or a network device, etc.

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  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
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Abstract

Selon des modes de réalisation, la présente invention concerne un procédé et un appareil de communication de véhicule reposant sur un système de télépéage (ETC), un support, et un dispositif électronique. Dans le procédé de communication de véhicule reposant sur un système ETC, le système ETC comprend une unité de bord de route ETC et une unité embarquée ETC. Le procédé de communication de véhicule comprend les étapes consistant à : si une unité embarquée ETC de n'importe quel véhicule est détectée, établir, au moyen d'une unité de bord de route ETC, une connexion avec l'unité embarquée ETC; après que l'unité de bord de route ETC a établi une connexion avec l'unité embarquée ETC, réaliser un traitement de facturation ETC sur le véhicule au moyen de l'unité de bord de route ETC; après que l'unité de bord de route ETC a réalisé un traitement de facturation ETC, si l'unité embarquée ETC est encore à portée de communication de l'unité de bord de route ETC, échanger, au moyen de l'unité de bord de route ETC, des messages de communication de véhicule avec l'unité embarquée ETC.
PCT/CN2021/116083 2020-09-25 2021-09-02 Procédé et appareil de communication de véhicule reposant sur un système etc, support, et dispositif électronique WO2022062865A1 (fr)

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